On the previous post we described HAproxy installation, now configure TCP secure connections with Username and password. HAProxy provides an Userlists, Group and User options.

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HAProxy is an open source, it's a very fast and reliable solution for Load balancing, high availability and proxying for TCP and HTTP. This is suitable for high traffic websites and the most visited ones.

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Zookeeper is an open-source coordination service for distributed applications and can build upon to implement higher level services configuration maintenance, group, naming and synchronization. For more information refer the Zookeeper page.

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We have already described the mosquitto brokers installation in Ubuntu and Debian system, this post is installed mosquitto broker automatically by the simple shell script.

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If you may received an info message retrying connect to server already tried number of times when running the samza jobs in Linux

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Mosquitto is an open source message broker, It's a very lightweight uses a publish/subscribe messages. We have already describe the Mosquitto installation on previous post

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We have already describes few Linux or Unix shell scripts with if or while commands, if you want to increment a value or use in loops,

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